Three key components of team defense are COMMUNICATION, LINE SPEED and SPACING. Here is a closed drill that will help your players improve in these areas. Communication - Every player should be talking and listening to the players either side of them to ensure they don't leave any holes in the defensive line, and are clear about who is responsible for tackling each attacking player. Line Speed - After the Play the Ball, the first 3-5 steps should be quick and direct to take space away from the a